HK

Hiroaki Katayama

SC Sumitomo Chemical: 13 patents #331 of 4,033Top 9%
MC Maruo Calcium Co.: 1 patents #28 of 44Top 65%
📍 Himeji, JP: #145 of 1,500 inventorsTop 10%
Overall (All Time): #356,631 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
6660816 Process for preparing olefin polymers Hideki Sato 2003-12-09
6613850 Method for feeding boron compounds, fine particles of boron compounds, catalyst components for the polymerization of olefins comprising them, and processes for the production of the particles Hideki Sato, Kazuki Wakamatsu 2003-09-02
6492294 Transition metal compound, olefin polymerization catalyst component, olefin polymerization catalyst and process for producing olefin polymer Yoshiaki Oda, Takahiro Hino, Tsuyoshi Watanabe 2002-12-10
6482765 Modified particles, carrier prepared therefrom, olefin polymerization catalyst component prepared therefrom, olefin polymerization catalyst prepared therefrom, and process for preparing olefin polymer Takuya Ohgane, Hideki Sato 2002-11-19
6333388 Aluminum compound-containing solid catalyst component, catalyst for olefin polymerization and method for producing olefin polymer Shin-ichi Kumamoto, Akio Imai 2001-12-25
6329478 Transition metal complex, process for producing the same, olefin polymerization catalyst containing the transition metal complex and process for producing olefin polymers Masaaki Nabika, Akio Imai, Akira Miyashita, Tsuyoshi Watanabe, Hirofumi Johohji +2 more 2001-12-11
6284699 Modified particles, catalyst for olefin polymerization containing the same, and method for producing olefin polymer Takuya Ohgane, Hideki Sato 2001-09-04
6242622 Transition metal compound, olefin polymerization catalyst component, olefin polymerization catalyst and process for producing olefin polymer Yoshiaki Oda, Takahiro Hino, Tsuyoshi Watanabe 2001-06-05
6184319 Olefin polymer, films or sheets made therefrom, and process for the production of olefin polymer Hideki Sato, Kazuki Wakamatsu, Hiroyuki Shiraishi 2001-02-06
6100213 Aluminum compound-containing solid catalyst component, catalyst for olefin polymerization and method for producing olefin polymer Shin-ichi Kumamoto, Akio Imai 2000-08-08
6066704 Transition metal complex, catalyst for olefin polymerization, and process for producing olefin polymers Akio Imai, Hidenori Hanaoka, Norio Kawamura, Akira Miyashita 2000-05-23
6034190 Olefin polymerization catalyst component Masaaki Nabika, Akio Iami, Norio Kawamura, Hidenori Hanaoka 2000-03-07
5840646 Olefin polymerization catalyst component Masaaki Nabika, Akio Iami, Norio Kawamura, Hidenori Hanaoka 1998-11-24
5164172 Process for producing aragonite crystal form calcium carbonate with acicular shape Hiroshi Shibata, Toshio Fujiwara 1992-11-17